No water then cold water

We currently have no water flow at all, but discovered that a light thump with the palm of the hand to the top of the cover casing and it jolts into action. However, the flow is stone cold and remains so on any setting. Any ideas?
Asked 12 years ago by Anonymous

I think you may have a faulty Thermal Cut Out

A faulty TCO will have no continuity across the two terminals (The black thing on top of the heating tank)

Therefore a good TCO will have power at both connections and a faulty TCO will have power at only one.

(The function of the TCO is, if the water over heats it cuts the power off to the elements)

See Video.

http://www.youtube.com/user/showerdoc#p/u/2/_zi8JbEMYMs

Answered 12 years ago by The Shower Doctor

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